<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册</title>
    <link rel="shortcut icon" href="img/logo.ico" type="image/x-icon">
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="img/logo.jpeg" alt="">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer1"></span>
        <a href="login.html">登录</a>
        <a href="reg.html">注册</a>
    </div>
    <!-- 版心 -->
    <div class="login-container">
        <!-- 中间的登陆框 -->
        <div class="login-dialog">
            <h3 id="reg">注册</h3>
            <div class="row1">
                <input type="text" placeholder="昵称" id="nickname">
            </div>
            <div class="row1">
                <input type="text" placeholder="用户名" id="username">
            </div>
            <div class="row1">
                <input type="password" placeholder="密码" id="password">
            </div>
            <div class="row1">
                <input type="password" placeholder="确认密码" id="password2">
            </div>
            <div class="row1">
                <button id="submit" onclick="mySubmit()">注册</button>
            </div>
        </div>
    </div>
    <script>
        function replaceStr(a) {
            a = a.replace(/(<br[^>]*>| |\s*)/g, '')
                .replace(/\&/g, "&amp;")
                .replace(/\"/g, "&quot;")
                .replace(/\'/g, "&#39;")
                .replace(/\</g, "&lt;")
                .replace(/\>/g, "&gt;");
            return a;
        }

        jQuery(document).keyup(function(event) {
            if (event.keyCode == 13) {
                jQuery("#submit").click();
            }
        });

        // 注册数据的提交
        function mySubmit() {
            var nickname = jQuery("#nickname");
            var username = jQuery("#username");
            var password = jQuery("#password");
            var password2 = jQuery("#password2");
            // 1.对输入的内容进行非空和正确性校验
            if (jQuery.trim(nickname.val()) == "") {
                alert("请输入昵称！");
                nickname.focus();
                return;
            }
            if (jQuery.trim(username.val()) == "") {
                alert("请输入用户名！");
                username.focus();
                return;
            }
            if (jQuery.trim(password.val()) == "") {
                alert("请输入密码！");
                password.focus();
                return;
            }
            if (jQuery.trim(password2.val()) == "") {
                alert("请确认密码！");
                password2.focus();
                return;
            }
            // 昵称长度检验
            if (nickname.val().length > 8) {
                alert("昵称最长为8个字符");
                nickname.focus();
                return;
            }
            // 密码强度校验
            if (password.val().length < 8) {
                alert("密码长度至少为8");
                password.focus();
                return;
            }
            if (password.val() != password2.val()) {
                alert("两次密码不一致！");
                password.focus();
                return;
            }
            // 2.发送ajax请求到后端
            jQuery.ajax({
                url: "reg",
                type: "POST",
                data: {
                    "nickname": replaceStr(nickname.val()),
                    "username": username.val(),
                    "password": password.val()
                },
                success: function(data) {
                    if (data != null && data.success == 200) {
                        if (data.data == 1) {
                            alert("注册成功！");
                            // 跳转到登录页面
                            location.href = "login.html";
                        } else {
                            alert("注册失败！" + data.msg);
                        }
                    } else {
                        alert("服务器繁忙！");
                    }
                }
            });
        }
    </script>
</body>

</html>